Table 3 Percent chromium removal from the real sample solution (diluted 25 times) (contact time 60 min, adsorbent dose 40 g/L, initial pH 5)
From: Removal of trivalent chromium from aqueous solution using aluminum oxide hydroxide
Exp. no. | Initial conc. (mg/L) | Final conc. (mg/L) | Average final conc. (mg/L) | % Removal |
|---|---|---|---|---|
1 | 221 | 51.9 | ||
2 | 221 | 53.6 | 52.8 ± 0.8 | 76.1 |
3 | 221 | 53.0 |